CREATE TABLE test_alt_table(i INTEGER, j TIMESTAMP TIME INDEX);

Affected Rows: 0

DESC TABLE test_alt_table;

+--------+----------------------+-----+------+---------+---------------+
| Column | Type                 | Key | Null | Default | Semantic Type |
+--------+----------------------+-----+------+---------+---------------+
| i      | Int32                |     | YES  |         | FIELD         |
| j      | TimestampMillisecond | PRI | NO   |         | TIMESTAMP     |
+--------+----------------------+-----+------+---------+---------------+

ALTER TABLE test_alt_table ADD COLUMN k INTEGER;

Affected Rows: 0

DESC TABLE test_alt_table;

+--------+----------------------+-----+------+---------+---------------+
| Column | Type                 | Key | Null | Default | Semantic Type |
+--------+----------------------+-----+------+---------+---------------+
| i      | Int32                |     | YES  |         | FIELD         |
| j      | TimestampMillisecond | PRI | NO   |         | TIMESTAMP     |
| k      | Int32                |     | YES  |         | FIELD         |
+--------+----------------------+-----+------+---------+---------------+

-- SQLNESS ARG restart=true
ALTER TABLE test_alt_table ADD COLUMN m INTEGER;

Affected Rows: 0

DESC TABLE test_alt_table;

+--------+----------------------+-----+------+---------+---------------+
| Column | Type                 | Key | Null | Default | Semantic Type |
+--------+----------------------+-----+------+---------+---------------+
| i      | Int32                |     | YES  |         | FIELD         |
| j      | TimestampMillisecond | PRI | NO   |         | TIMESTAMP     |
| k      | Int32                |     | YES  |         | FIELD         |
| m      | Int32                |     | YES  |         | FIELD         |
+--------+----------------------+-----+------+---------+---------------+

DROP TABLE test_alt_table;

Affected Rows: 0